Robert Griffin, MD,

 Robert Griffin, MD, is the director of support to the Homeland Security Enterprise and First Responders and is a member of the Federal Senior Executive Service. Prior to his appointment, Dr. Griffin served as the director of environmental services for Arlington County, Va. He has also served as the first director of the Arlington County Office of Emergency Management, where he organized and led relief efforts to Florida, New Orleans and numerous regional and intrastate deployments.